
Product Overview
The Harrick Praying Mantis™ High Temperature Reaction Chamber is the industry-standard solution for researchers performing in-situ and operando Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS). Specifically engineered to work in tandem with the Praying Mantis™ optical accessory, this chamber allows for the real-time monitoring of surface species, catalytic mechanisms, and gas-solid interactions. It is particularly effective for analyzing high-surface-area powders, making it an indispensable tool for heterogeneous catalysis, oxidation studies, and photochemical reaction research.
Constructed from chemically resistant 316 stainless steel, the chamber features an integrated sample stage with a low-voltage cartridge heater and a K-type thermocouple for precise thermal management. To ensure safe operation and data stability during extreme experiments, the unit includes an integrated water-cooling jacket that protects the outer housing and optical windows from thermal stress. This robust design allows scientists to simulate real-world industrial environments within the spectrometer sample compartment, achieving temperatures as high as 910°C under vacuum.
The chamber's flexibility is further enhanced by its three-port gas management system, which facilitates the evacuation of the cell or the controlled introduction of reactant gases. For advanced applications requiring high-pressure regimes, the standard dome can be replaced with a high-pressure variant, extending the operational limit to 3.44 MPa (500 psi). Whether performing routine catalyst screening or fundamental surface science, this reaction chamber provides the stability and environmental control necessary for reproducible, high-impact data.
Product Demonstration
Key Features
- Extreme Thermal Range: Capable of reaching temperatures up to 910°C (under vacuum) for studying high-temperature catalytic processes.
- Broad Pressure Versatility: Operates from high vacuum ($10^{-6}$ torr) up to 3.44 MPa with an optional high-pressure dome.
- Optimized Gas Flow: Equipped with three inlet/outlet ports (1/4" VCO fittings) for efficient sample evacuation and gas dosing.
- Integrated Safety Cooling: Features a built-in water-cooling jacket to maintain low exterior temperatures during high-heat experiments.
- Superior Chemical Resistance: Fabricated from 316 Stainless Steel, with optional SilcoTek® coatings available for analyzing corrosive or highly reactive species.
- Multispectral Compatibility: Available with KBr or ZnSe windows for Mid-IR (FTIR) or SiO₂ windows for UV-Vis-NIR configurations.
- Precision Temperature Control: Utilizes an internal K-type thermocouple for accurate, real-time monitoring of the sample cup temperature.
Specifications
| Max Temperature | 910°C (under vacuum); ~600°C (standard pressure) |
| Pressure Range | 10^-6 torr to 133 kPa (Standard); Up to 3.44 MPa (High-Pressure Dome) |
| Housing Material | 316 Stainless Steel |
| Inlet/Outlet Ports | 3 x 1/4" VCO fittings |
| Window Materials | KBr, ZnSe (FTIR); SiO₂ (UV-Vis-NIR) |
| Thermocouple Type | K-type |
| Heating Source | Low-voltage cartridge heater |
| Optical Alignment | Perpendicular entrance/exit for minimized reflection loss |
